#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(a+1==b&&a+2==c) { cout<<"TRUE"; } else if(b-1==a||b-1==c&&b-2==a||b-2==b) { cout<<"TRUE"; } else if(a-1==b&&a-2==c) { cout<<"TRUE"; } else { cout<<"FALSE"; } return 0; }
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