#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<ctype.h>
#include<assert.h>

#define LINE_SIZE 100
#define STACK_SIZE 100

struct stack{
	float values[LINE_SIZE];
	int size;
};

void print_stack(struct stack* stack){
	for (int i = 0; i < stack->size; i++){
		printf("%.0f", stack->values[i]);
	}
	printf("\n");
}

int main(){
	char input[LINE_SIZE]; float y; struct stack mystack;
	memset(&mystack, 0, sizeof(struct stack));

	while(fgets(input, LINE_SIZE, stdin) != NULL){
		input[strlen(input - 1)] = '\0';
		if(sscanf(input, "\f", &y) == 1){
			printf("Success!\n");
			assert(mystack.size < STACK_SIZE);
			mystack.values[mystack.size] = y;
			mystack.size ++;
		} else{
		  return 1;
		}
		print_stack(&mystack);
	}
	return 0;
}