C++ :

#include<iostream>
using namespace std;
int main(){
	int n;
	cin>>n;
	if(n==1)
	cout<<"******";
	else if(n==2)
	cout<<"######";
	else if(n==3)
	cout<<"~~~~~~";
	return 0;
}

Python :

# coding=utf-8
a=input()
if a=="1":
    print("******")
if a=="2":
    print("######")
if a=="3":
    print("~~~~~~")