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