54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#include <stdio.h>
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int main(){
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int day;
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int month;
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int year;
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scanf("%d.%d.%d", &day, &month, &year);
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if(day < 1 || day > 31 || month < 1 || month > 12){
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puts("Neplatny datum");
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return 0;
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}
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if(month == 2 && day > 29){
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puts("Neplatny datum");
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return 0;
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}
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if(year % 4 != 0 && month == 2 && day > 28){
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puts("Neplatny datum");
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return 0;
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}
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if(month == 4 || month == 6 || month == 9 || month == 11 && day > 30){
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puts("Neplatny datum");
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return 0;
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}
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day += 7;
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if(year % 4 != 0 && month == 2 && day > 28){
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month++;
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day -= 28;
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}
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else if(month == 2 && day > 29){
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month++;
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day -= 29;
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}
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else if(month == 4 && month == 6 && month == 9 && month == 11 && day > 30){
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month++;
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day -= 30;
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}
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else if(day > 31){
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month++;
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day -= 31;
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}
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if(month == 13){
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month = 1;
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year++;
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}
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else if(month < 10){
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printf("%d.0%d.%d\n", day, month, year);
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}
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else{
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printf("%d.%d.%d\n", day, month, year);
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}
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}
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