#include <stdio.h> int main() { int nm1,nm2,nm3,nm4,nm5,nm6,dv,a; scanf("%i%i%i%i%i%i",&nm1,&nm2,&nm3,&nm4,&nm5,&nm6); a=nm1+nm2+nm3+nm4+nm5+nm6; dv=a%11; printf("%i",dv); return 0; }