#34801: python救星真香


10955052@st.chjhs.tp.edu.tw (07段律言)


n,S = map(int,input().split())
S = S//1000
cpiv = []
for i in range(0,n):
    CP,IV = map(int,input().split())
    if IV <= 29:
        CP += S * 10 
        cpiv.append(CP)
    elif IV <= 39:
        CP += S * 50 
        cpiv.append(CP)
    else:
        CP += S * 100
        cpiv.append(CP)
max = max(cpiv)
print(cpiv.index(max)+1, max)