#include<stdio.h>
int main(void){
	int L,M,N,L1,M1,N1;
	
	scanf("%d%d%d",&L,&M,&N);
	N1 = N%25;
	M1 = (M+N/25)%4;
	L1 = (L+M/4)%10;
	printf("%d\n",L1+M1+N1);
	return 0;
}