"use strict";
const Main = (input) =>{
   let xs = input.trim().split(' ').map(v=>parseInt(v,10));
   let ans1 = xs[0] * xs[1];
   let ans2 = xs[2];
   if(ans1 > ans2){
     console.log(ans2);
   }else if(ans1 < ans2){
     console.log(ans1);
   }else{
     console.log(ans1)
   }
}
Main(require('fs').readFileSync('/dev/stdin','utf8'));