#include<bits/stdc++.h> using namespace std; int n; int main(){ cin>>n; int res=0; while(n){ int ge=n%10; res=res*10+ge; n/=10; } cout<<res; return 0; }
#include<bits/stdc++.h> using namespace std; int main() { int N,i=1,s=0; cin>>N; while(N) { s*=10; s+=N%10; N/=10; } cout<<s; return 0; }
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