#include <stdio.h>
int main()
{ int max_value(int array[][4]);	
  int a[3][4]={{1,3,5,7},{2,4,6,8},{15,17,34,12}};
  printf("Max value is %d\n",max_value(a));
  return 0;
}

int max_value(int array[][4])
{ int i,j,max;
  max=array[0][0];
  for(i=0;i<3;i++)
    for(j=0;j<4;j++)
      if(array[i][j]>max)max=array[i][j];
  return (max);
}