#include <stdio.h> #include <math.h>

int main() { int A, B, C; scanf("%d %d %d", &A, &B, &C);

double total = A * 0.2 + B * 0.3 + C * 0.5; int rounded = (int)round(total);

printf("%d\n", rounded); return 0;

}

#include<stdio.h> int main() {int a,b,c,sum; scanf("%d %d %d",&a,&b,&c); sum=a0.2+b0.3+c*0.5; printf("%d",sum); return 0; }