48 lines
779 B
C
48 lines
779 B
C
#include <stdio.h>
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int main(){
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int c[999];
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int i = 0;
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int vysledok;
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char riadok[999];
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char *endptr = NULL;
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char need;
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while(1){
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char* r = fgets(riadok,999,stdin);
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if(*r == '\n'){
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break;
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}else if(*r == ' ')
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continue;
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else if(*r == '+'){
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need = *r;
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continue;
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}else if(*r == '-'){
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need = *r;
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continue;
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}else if(*r == '/'){
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need = *r;
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continue;
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}else if(*r == '*'){
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need = *r;
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continue;
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}else{
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int v = strtod(riadok,&endptr);
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c[i++] = v;
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continue;
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}
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}
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if(need == '+')
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vysledok = c[0] + c[1];
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else if(need == '-')
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vysledok = c[0] - c[1];
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else if(need == '/')
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vysledok = c[0] / c[1];
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else if(need == '*')
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vysledok = c[0] * c[1];
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if(vysledok == c[i])
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printf("OK\n");
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else
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printf("ZLE\n");
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return 0;
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}
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