c

#include <stdio.h>
short a, x, y;
int main(void) {
scanf("%hd", &a);
x = a / 10;
a = a - 10 * x;
y = a / 5;
a = a - 5 * y;
printf("10yuan:%hd\n5yuan:%hd\n1yuan:%hd\n", x, y, a);
return 0;
}