"use strict"
function main(arg) {
    var data = arg.trim().split("\n")[0].split(" ").map(Number)
    var n = data[0]
    var a = data[1]
    var b = data[2]
    var densha = n * a
    var taxi = b
    if (densha < taxi) {
        console.log(densha)
    } else {
        console.log(taxi)
    }
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));