let i = require('fs').readFileSync('/dev/stdin', 'utf8').split('\n').slice(0, -1).map((e) => e-0)
i[1] += i[2] / 25 | 0
i[2] %= 25
i[0] += i[1] / 4 | 0
i[1] %= 4
i[0] %= 10
console.log(i.reduce((a,b) => a+b))