Print sum of two matrices - C Program

#include <stdio.h>
int main()
{
     int a[4][4],b[4][4],s[4][4],i,j;
     printf("Enter Elements of First 4*4 Matrix: \n\n");
     for(i=0;i<=3;i++)
          for(j=0;j<=3;j++)
          {
               scanf("%d",&a[i][j]);
          }
     printf("\nEnter Elements of Second 4*4 Matrix: \n\n");
     for(i=0;i<=3;i++)
          for(j=0;j<=3;j++)
          {
               scanf("%d",&b[i][j]);
          }
     for(i=0;i<=3;i++)
          for(j=0;j<=3;j++)
          {
               s[i][j]=a[i][j]+b[i][j];
          }
     printf("\nSum of Matrices :\n\n");
     for(i=0;i<=3;i++)
     {
          for(j=0;j<=3;j++)
          {
               printf("%d ",s[i][j]);
          }
     printf("\n");
     }
     return 0;
}