题解 | #自守数#

let line
let resarr = []
let reslut = []
while(line = readline()){
    resarr=line.split(' ');
    for(let item of resarr){
        let res = 0
        for(var i = 0;i<=parseInt(item);i++){
            if((i%10 == 0) || (i%10 == 1) || (i%10 == 5) || (i%10 == 6)){
               if(String(i*i).endsWith(String(i))){
                res++
            } 
            }
        }
        reslut.push(res)
    }
}
console.log(reslut.join('\n'))