Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: thanakorn

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-09 19:08:43

#include<iostream>

int main(){
	int n,k=0;
	scanf("%d",&n);
	k=n;
	for(int i=0;i<n;i++){
		k+=4+((6*i)-1);
	}
	printf("%d",k);
}