#include<stdio.h>
int main()
{
int a,b,c,sum;
float avg;
scanf("%d %d %d",&a,&b,&c);
sum=a+b+c;
avg=(float)(sum/3);
printf("\n The summation of three number are=%d",sum);
printf("\n Average of three number are=℅.2f",avg);
}
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