#include <stdio.h>

int main(int argc, char *argv[]){
int d, M, i, m, s;

scanf("%d",&M);
for(i=1; scanf("%d", &d)==1;i++){
if( d>M ) M= d; if( d<m ) m= d;;
s+=d　

}
printf("%d\n", M);
printf("%.3f\n",(double) s/i);
printf("%d\n", m);
return 0;