#include <stdio.h>

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

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

s+= d;
if( d>M ) M= s;
if( d<m ) M= m;
}

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

return 0;
}