#include <stdio.h>
int main() {
int c_marble = 900;
int s1 = 7, s2 = 11, s3 = 12;
int t = s1+s2+s3;
printf("7 yasindaki kardes %d bilye alir.\n", s1*c_marble/t);
printf("11 yasindaki kardes %d bilye alir.\n", s2*c_marble/t);
printf("12 yasindaki kardes %d bilye alir.\n", s3*c_marble/t);
return 0;
}