#include <stdio.h>

int main()
{
    int n1=1,n2=2,n3=3,n4=4,n5=5,n6=5,n7=7;
    float mean;
    mean=(n1+n2+n3+n4+n5+n6+n7)/7;
    printf("the mean of given numbers: %.2f \n",mean);
    printf("mode of the given numbers: %d \n",n5);
    printf("median of the given numbers: %d \n ",n4);
    

}