Find the biggest number

Greatest of three numbers

Rahul is entering three numbers into the system. He has to find the biggest number from that
inputs. Help rahul to find the biggest number.

Input: Get three integers of positive as well as negative numbers.
Output: Print the greatest integer.

Sample Input :
i0
20
30

Sample Output : 
30

#include <iostream>
using namespace std;
int main()
{
  int x,y,z;
  cin>>x>>y>>z;
  if((x>=y) && (x>=z))
    cout<<x;
  else if((y>=z) && (y>=x))
    cout<<y;
  else
    cout<<z;
  return 0;
}

Input_1:
10
20
30
Output:
30

Input_2:
100
200
100
Output:
200

Input_3:
56
65
23
Output:
65

Illustration of the Output:

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