import java.util.Scanner

//
fun _Do() {
    
    val H = scan.nextInt()
    val N_ = scan.nextInt()
    
    var c = 1
    for(i in 0 until N_-1){
        if( H < scan.nextInt() )
            c+=1
    }
    
    println(when(c){
        1->"1st"
        2->"2nd"
        3->"3rd"
        else -> "${c}th"
    })
    
}

var scan = Scanner(System.`in`)
fun main( argv : Array<String> ) {
    _Do()
}

fun strings(N:Int):Array<String> = Array(N,{scan.next()})
fun ints(N:Int):Array<Int> = Array(N,{scan.nextInt()})
fun longs(N:Int):Array<Long> = Array(N,{scan.nextLong()})